Portable computer having a battery voltage detecting circuit

Details Portable computer having a battery voltage detecting circuit Portable computer having a battery voltage detecting circuit

1990-05-30

1991-01-08

Shaw, Dale M.

Boots, shoes, and leggings

G06F 100

Patent

active

049841858

ABSTRACT:
A portable computer having a battery used as a main power source, a load which is variable, and a battery-voltage detecting circuit for detecting the output voltage of the battery. A plurality of predetermined voltage values is set in the battery-voltage detecting circuit. One of these voltage values is selected in accordance with the condition of the load, and is compared with the output voltage of the battery. It can therefore be accurately determined, regardless of the variation of the load, whether or not the power remaining in the battery is sufficient.

REFERENCES:
patent: 3979657 (1976-09-01), Yorksie
patent: 4517517 (1985-05-01), Kinney
patent: 4571690 (1986-02-01), Munetsugu
patent: 4660027 (1987-04-01), Davis
patent: 4907183 (1990-03-01), Tanaka

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